3 years ago

What is the name of the eye burn that can occur within seconds?

1 answer:

7 0

Th answer is a flash burn. Flash burns occur when exposed to ultra violet light rays (UV) and causes inflammation in the cornea of ur eye.

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Angle XYZ = 2X° and angle PQR = (8X -20)°. If angle XYZ and angle PQR are supplementary, find the measure of each angle. Angle P

Alchen [17]

Answer:

$PQR = 140$

Step-by-step explanation:

Given

$XYZ = 2X$

$PQR = 8X - 20$

Required

Find PQR

Since both angles are supplementary, we have:

$XYZ + PQR = 180$

This gives:

$2X + 8X - 20 = 180$

$10X - 20 = 180$

Collect Like Terms

$10X = 20 + 180$

$10X = 200$

Divide through by 10

$X = 20$

Substitute 20 for X in $PQR = 8X - 20$

$PQR = 8 * 20 -20$

$PQR = 140$

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2 years ago

if x is a positive integer, for how many dofferent values of x is square root 48 over x a whole number

Mazyrski [523]

Answer:

<h2><em>Therefore, for 3 values of 'x', the given fraction is a square. So, for those 3 values of 'x', the square root of the fraction will be a whole number. Thus, the answer is 3.</em></h2>

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3 years ago

Which of the following graphs shows a negative linear relationship with a correlation coefficient, r, relatively close to -1

abruzzese [7]

Graph B is the correct answer as of July 2018

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3 years ago

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Work out (4.2×107)÷(7×104)Give your answer in standard form. Work out (4.2×107)÷(7×104)Give your answer in standard form.

professor190 [17]

Answer:

6 * 10^2

Step-by-step explanation:

Simplify : (4.2×10^7)÷(7×10^4)

(4.2 × 10^7) / (7 × 10^4)

From indices : 10^a ÷ 10^b = 10^(a - b)

(4.2 / 7) * 10^(7-4)

0.6 * 10^3

= 6 * 10^2

Hence, (4.2×10^7)÷(7×10^4) = 6 * 10^2

6 0

3 years ago

How do I solve this part a,b

Svetach [21]

Answer:

the anwser you put is correct

Step-by-step explanation:

congragulations! glad i could help :)

4 0

2 years ago